Inspection and Verification
WARNING: This page is about a different car, the 2002 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern by operating the headlamps following these steps:
- Place the ignition switch in the ON position.
- Place the headlamp switch in the ON position.
- Verify the low and high beam operation.
- Place the headlamps in the OFF position.
NOTE: For autolamp concerns, see AUTOLAMPS . - Visually inspect for obvious signs of mechanical and electrical damage.
- If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- Check that the program card is correctly installed.
- Check the connections to the vehicle.
- Check the ignition switch position.
- If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool manual.
- Carry out the DATA LINK DIAGNOSTIC TEST. If the diagnostic tool responds with:
- CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, see MODULE COMMUNICATIONS NETWORK .
- NO RESP/NOT EQUIP for FEM, go to PINPOINT TEST A .
- NO RESP/NOT EQUIP for REM, go to PINPOINT TEST B .
- NO RESP/NOT EQUIP for instrument cluster, go to PINPOINT TEST C .
- SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics for the FEM.
- If the DTCs retrieved are related to the concern, go to FEM DIAGNOSTIC TROUBLE CODE (DTC) INDEX , and INSTRUMENT CLUSTER MODULE (ICM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX , or SSP RELAY INDEX to continue diagnostics.
- If no DTCs related to the concern are retrieved, proceed to SYMPTOM CHART to continue diagnostics.